texture imageTexture;

sampler2D imageMap = sampler_state
{
  Texture = (imageTexture);
};

float4 PixelShaderMain(float2 textureCoordinate : TEXCOORD0) : COLOR0
{
  return tex2D(imageMap, textureCoordinate);
}

technique Chessboard
{
  pass Pass_0
  {
    PixelShader = compile ps_2_0 PixelShaderMain();
  }
}